The distribution of scores for each of the 566 rounds that Lexi Thompson played on the LPGA tour from 2007-2017 is approximately normal with a mean of about 71 strokes and a standard deviation of about 3 strokes.

a.)Estimatethe percent of rounds where Thompson's score was between 65 and 74 strokes.

b.)Estimatethe percent of rounds where Thompson's score was less than 65 strokes.

c.)Estimatethe percent of rounds where Thompson's score was greater than 71.